1. Lines come in
Outside lines from your telecom provider, du or e&, arrive as traditional lines or as SIP trunks over the internet connection.
What Is a PABX System? A Simple Guide for UAE Offices
What PABX means, how an office phone system works and how to tell if your business needs one.
PABX Explained
PABX meaning, in one sentence
PABX stands for Private Automatic Branch Exchange. It is a private telephone exchange for your business: it connects every desk phone inside the office as an extension and lets them share a small number of outside lines. Staff call each other free by dialling an extension, calls can be transferred, and customers can reach the whole company on one main number.
You will also see the term PBX (Private Branch Exchange). Today the two names mean the same thing. The "automatic" in PABX dates from the time when calls were connected by hand at a switchboard.
How It Works
From the outside line to your desk
2. The PABX decides
The system plays a greeting, follows your office-hours rules and sends each call to the right person, group or voicemail.
3. Extensions ring
Calls reach desk IP phones, cordless DECT handsets or a softphone app on a computer, and can be transferred between them.
Compare
Analog PABX, IP PBX and cloud PBX
| Type | How it works | Best for |
|---|---|---|
| Analog PABX | A box in the office with telephone cabling to simple analog phones | Older sites that already have it and only need basic calling |
| IP PBX | A system in your office that runs over the computer network, with IP phones powered by the network cable (PoE) | Most offices today: more features, easy to add extensions, works with existing network cabling |
| Cloud PBX | The system is hosted by a provider and the phones connect over the internet | Small or spread-out teams that prefer a monthly service and no equipment on site |
Features
What a business phone system gives you
Common features include extensions for every person or desk, a welcome greeting with options ("press 1 for sales"), ring groups so several phones ring together, call transfer and hold music, voicemail sent to email, call recording, separate rules for office hours and holidays, and conference calls.
Does your office need one?
A phone system is worth considering when calls are often missed, when more than a few people answer the phone, when customers should reach the whole company on one number, or when you have several rooms, floors or branches. A small office with one or two staff can often manage with mobile phones until it grows.
FAQ
PABX questions, answered
What does PABX stand for?
PABX stands for Private Automatic Branch Exchange: a private telephone exchange that connects the phones inside a business and shares outside lines between them.
What is the difference between PBX and PABX?
Today there is no practical difference and the names are used for the same thing. The word automatic was added when exchanges stopped needing an operator to connect calls by hand.
What is the difference between an IP PBX and a cloud PBX?
An IP PBX is a system installed in your office that runs over your own network. A cloud PBX is hosted by a provider and paid monthly. Both use IP phones; the difference is where the system lives and who manages it.
Can I keep my existing office phone number?
Usually yes. Your number stays with your telecom provider and is connected to the new phone system, so customers keep calling the same number.
How many outside lines does an office need?
It depends on how many calls happen at the same time, not on the number of staff. Many small offices share a few lines between all their extensions. We can check your call pattern and suggest the right number.
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Thinking about a phone system for your office?
Tell us how many people answer calls and how your office is laid out, and we will recommend a system that fits.